TERRY TSANG O.D.
NPI 1982755922
Optometrist in Irvine, CA

NPI Status: Active since January 16, 2007

Contact Information

4950 BARRANCA PKWY
SUITE 310
IRVINE, CA
ZIP 92604
Phone: (949) 733-1400

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  • Individual
  • Female
  • Optometrist
  • Accepts Insurance

About TERRY TSANG

This page provides the complete NPI Profile along with additional information for Terry Tsang, a provider established in Irvine, California with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1982755922 assigned on January 2007. The practitioner's primary taxonomy code is 152W00000X with license number 10789 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1982755922
Provider Name
TERRY TSANG O.D.
Gender
Female
Entity Type
Individual
Location Address
4950 BARRANCA PKWY SUITE 310 IRVINE, CA 92604
Location Phone
(949) 733-1400
Mailing Address
29 N SANTA TERESITA IRVINE, CA 92606
Mailing Phone
(949) 653-8769
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
01-16-2007
Last Update Date
07-08-2007
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Optometrist

Taxonomy Code
152W00000X
Type
Eye and Vision Services Providers
License No.
10789
License State
CA
Taxonomy Description
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Connect 1500 Gold - EPO
  • Connect 6000 Silver - EPO
  • Connect 9800 Bronze - EPO
  • HSA Qualified 7500 Bronze - Choice Network - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Choice Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Choice Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Choice Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
U88967MEDICARE UPIN (02)CA 
WOP1089AMEDICARE ID-TYPE UNSPECIFIED (04)CA 

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1982755922, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
2
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 7 → 14 → 5 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 1 + 6 + 2 + 1 + 4 + 5 + 1 + 0 + 9 + 4 + 24 = 68

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1982755922.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Family Medicine
4950 BARRANCA PKWY, SUITE 205A
IRVINE, CA 92604
Podiatrist (Foot & Ankle Surgery)
4950 BARRANCA PKWY, SUITE 308
IRVINE, CA 92604
Internal Medicine
4950 BARRANCA PKWY, SUITE 207
IRVINE, CA 92604
General Practice
4950 BARRANCA PKWY, SUITE 201
IRVINE, CA 92604
Internal Medicine
4950 BARRANCA PKWY, 107
IRVINE, CA 92604
Dentist
4950 BARRANCA PKWY, SUITE 302
IRVINE, CA 92604
Clinic/Center (Primary Care)
4950 BARRANCA PKWY, SUITE 103C
IRVINE, CA 92604
Dentist
4950 BARRANCA PKWY, SUITE 206
IRVINE, CA 92604
Radiology (Diagnostic Radiology)
4950 BARRANCA PKWY, SUITE 201
IRVINE, CA 92604
Dermatology
4950 BARRANCA PKWY, 307
IRVINE, CA 92604
Family Medicine
4950 BARRANCA PKWY, 202
IRVINE, CA 92604
Acupuncturist
4950 BARRANCA PKWY, SUITE 301
IRVINE, CA 92604
Chiropractor
4950 BARRANCA PKWY, SUITE 301
IRVINE, CA 92604
Optometrist (Vision Therapy)
4950 BARRANCA PKWY, SUTIE 310
IRVINE, CA 92604
Internal Medicine
4950 BARRANCA PKWY, SUITE 207
IRVINE, CA 92604
Dentist (General Practice)
4950 BARRANCA PKWY
IRVINE, CA 92604
Radiology (Diagnostic Radiology)
4950 BARRANCA PKWY, SUITE 201
IRVINE, CA 92604
Dentist
4950 BARRANCA PKWY, TINY TEETH DENTISTRY
IRVINE, CA 92604
Chiropractor
4950 BARRANCA PKWY, #103
IRVINE, CA 92604
Dermatology (MOHS-Micrographic Surgery)
4950 BARRANCA PKWY, SUITE 307
IRVINE, CA 92604

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982755922, enumerated as an "individual" on January 16, 2007.

The provider is located at 4950 BARRANCA PKWY SUITE 310 IRVINE, CA 92604 and the phone number is (949) 733-1400.

Optometrist with taxonomy code 152W00000X.

The provider might be accepting Accepts: Providence Health Plan, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.